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12-13-2009, 07:23 PM   #1
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Canon convert needs help with Pentax lens!

First, I want to say that I LOVE my new K20D!!! I have a Canon 40D and XSi, but my Pentax is my favorite body! Now I need a good all around/do everything zoom lens. After a quick look around the net, it looks like the 18-250mm is the latest and greatest? I'd like something in the 28-135 range. Is there a zoom lens that most Pentax owners seem to like?

12-13-2009, 07:27 PM   #2
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the pentax 55-300mm is popular.

Pentax Lens Review and Specification Database - 55-300mm F4-5.8 ED
12-13-2009, 07:37 PM   #3
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QuoteOriginally posted by nitrox28 Quote
First, I want to say that I LOVE my new K20D!!! I have a Canon 40D and XSi, but my Pentax is my favorite body! Now I need a good all around/do everything zoom lens. After a quick look around the net, it looks like the 18-250mm is the latest and greatest? I'd like something in the 28-135 range. Is there a zoom lens that most Pentax owners seem to like?
Welcome...I moved camp in July...

I did a lot of research and ended up with all primes. If you are hunting for something like the 28-135 it's not here in any recent builds. I also would not say the 18-250 delivers more than so-so IQ but it does offer a lot as a sort of vacation lense. You might look at the 17-70 or the 16-45 as well, both are solid performers from what I have seen. The 55-300 is sort of the same type of sleeper value wise as the 55-250IS in the Canon camp with similar IQ & a more solid build.

Like I said I opted for all primes. I am shy one 35mm Limited but will replace it soon as I am able. Once the matter of debate over the DA* SDM probs is settled I will get another DA* 50-135 as well. It might be the best zoom I ever used, for a week.

The DA Limiteds are all excellent as well and not as spendy as the FA Limiteds but I love the look of silver on the K20D...

part of the fun on Pentax is all the legacy glass out there to grab...it won't have AF but the IQ can be stunning for many of the models. Try skimming through the Lens Review DB here under the "REVIEWS" link in the menu bar....

If you are looking for real recommendations, maybe explain what you want to shoot and what factors are important in selecting your glass, you know, just like when ya built your Canon line-up. Even post example shots will help people offer suggestions even if you don't know how to explain your interests or needs.

Most of all...have fun...it's fun here...
12-13-2009, 09:03 PM   #4
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The tamron/pentax 18-250 was indeed the most popular "superzoom" among people who like that sort of thing. Since there were discontinued, the Sigma version would seem to be the best easily available option, although it shouldn't be that hard to find the Tamron or Pentax version either. The various 18-125, 18-200, 28-200, and 28-300 zooms are pretty universally considered not as good as the 18-250's.

12-13-2009, 09:07 PM   #5
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For covering 28-135 range, the closest I would recommend is the Tamron 28-75 f/2.8.
12-13-2009, 09:41 PM   #6
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For your purposes it does sound like the 18-250 offerings are the way to go for you (be weary of dwindling IQ at the long end), but if you're happy with a two lens setup, the kit lens plus 55-300 is even better.
12-13-2009, 09:52 PM   #7
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I've got this old Sigma 28-105 2.8-4, which is ...eh, not too bad for all-around. (Got it for a cheaper alternative to that Tamron 28-75, which is what I'm really looking at for my zooming purposes: I'm normally a prime lens shooter and somewhat picky: still, the extra bit of reach is fun to have on hand. My hope is just it'll do me till I scrape up for another prime I need to fill out that lineup, after which I'll probably look to trade up for some better image quality, but this is a nice focal length range for me. Most current stuff wants to cover a wider range at the short end, though. )

If you can find one, they aren't too pricey, and one might possibly do.
12-13-2009, 10:24 PM   #8
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I'd recommend picking up the Tamron 17-50mm f/2.8 and the Sigma 50-150mm f/2.8 for the best quality across the range.

12-13-2009, 10:26 PM   #9
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Super zooms are not what Pentax is about!

Now that we've converted you to Pentax we shall convert you to prime lenses!

12-14-2009, 07:20 AM   #10
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Thanks for the input everyone!
12-14-2009, 07:41 AM   #11
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I use 10-24mm and 28-300mm Tamron zoom lenses for both still and video on my K-7 to cover a 30x zoom range with only two lenses. The 18-55 and 55-300mm Pentax combo is a nice low price pair. I also use the 18-55 Pentax that is a good low price zoom lens.
12-14-2009, 11:21 PM   #12
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QuoteOriginally posted by deadwolfbones Quote
I'd recommend picking up the Tamron 17-50mm f/2.8 and the Sigma 50-150mm f/2.8 for the best quality across the range.
I've been tempted to get the Tammy 17-50 to replace my 18-55 pretty much just for the constant 2.8. What's your opinion of the IQ of the Tamron?
I have the FA 50 and an M 40-80 that can cover the apertures wider than f4 but would like to have them in one neat package. You think the Tammy delivers? Not as well as the 50 I figure but good enough?
12-15-2009, 07:37 AM   #13
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QuoteOriginally posted by jboyde Quote
I've been tempted to get the Tammy 17-50 to replace my 18-55 pretty much just for the constant 2.8. What's your opinion of the IQ of the Tamron?
I have the FA 50 and an M 40-80 that can cover the apertures wider than f4 but would like to have them in one neat package. You think the Tammy delivers? Not as well as the 50 I figure but good enough?
I think it's amazing. It's sharp at 2.8 and the bokeh is lovely.

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